Electrum Wallet review

Electrum is the veteran of Bitcoin wallets, created in 2011 and still actively developed. This Electrum wallet review explains why power users keep coming back to it, the fee and coin controls that set it apart, and the two security points every user must understand before downloading it.

Electrum Wallet at a glance

What Electrum is

Electrum is a free, open-source, non-custodial Bitcoin wallet for Windows, macOS, Linux and Android, with no iOS version. Your private keys are encrypted and never leave your computer. It is a lightweight client, meaning it does not download the whole blockchain; instead it connects to Electrum servers and verifies transactions with simplified payment verification, which is why it opens in seconds rather than hours. It is Bitcoin-only, and proud of it.

Seed, recovery and self-custody

Electrum uses its own seed format by default rather than the standard BIP39 wordlist, embedding a version number, though it can import a BIP39 seed when you pair a hardware wallet. Your wallet file is encrypted with your password, and you can export private keys to other Bitcoin clients, so there is no lock-in. It also does cold storage and watch-only wallets, letting you keep keys offline and monitor balances online, which is a favorite setup for serious holders.

The controls power users love

This is where Electrum shines. You get a fee slider and manual sat-per-byte rates, replace-by-fee and child-pays-for-parent to unstick transactions, full coin control to choose which inputs you spend, and multisig for splitting a wallet across several keys. It supports Coldcard, Trezor, Ledger and KeepKey hardware wallets, and even added a built-in Lightning Network implementation, though its Lightning is basic next to dedicated Lightning wallets.

Security, servers and everyday use

For everyday use, Electrum's security model is simple to reason about: your private keys are encrypted and stored locally on your computer and never transmitted over the internet, so an attacker cannot lift your keys from a server, and every transaction is signed on your machine. The wallet software connects to Electrum servers only to fetch balances and broadcast a signed transaction, never your keys, and you can point it at your own server or run it over Tor for privacy. A dynamic fee algorithm estimates the right fee for your target confirmation time, or you can override it by hand. Combined with hardware-wallet support, multisig and watch-only wallets, that gives a security-conscious Bitcoin user a lot of control over how their crypto is stored and spent, which is exactly why advanced users rate its features so highly despite the plain look.

The security you must understand

Electrum has a long, sound track record, but two things need care. First, between 2018 and 2019, attackers ran malicious Electrum servers that, on client versions before 3.3.3, could display a fake update message linking to a booby-trapped download that stole funds, with reported losses well over 771 BTC. It was fixed by no longer rendering server messages as rich text, so up-to-date versions are not vulnerable. Second, fake Electrum websites still buy search ads to trick people into downloading malware, since the real project never advertises. The rule is simple: download only from electrum.org, verify the signatures, and keep the software current.

Electrum vs the alternatives

For an easy mobile Bitcoin wallet, BlueWallet is friendlier and has better Lightning. For built-in privacy tooling, Wasabi adds Tor and CoinJoin plumbing. For cold storage, a Coldcard is the air-gapped choice. Electrum's edge is unmatched fee and coin control in a fast, free desktop client, which none of those match for a hands-on Bitcoiner.

See our best bitcoin hardware wallets and best crypto wallets guides for the wider field.

Fees and value

The software is free, and you pay only Bitcoin network fees, which Electrum lets you control more precisely than almost any wallet, so you can pay less when the mempool is calm and bump a stuck transaction when it is busy. For a fee-conscious Bitcoiner that control alone is worth a lot, and there is no subscription or hidden swap fee, since Electrum does not sell swaps. It is one of the best-value Bitcoin wallets there is, provided you value control over hand-holding.

Who should buy Electrum

Electrum suits the technical or intermediate Bitcoiner who values fee and coin control, hardware-wallet and multisig support, and speed, and does not mind a plain, dated interface. It is the wrong pick for beginners who want a friendly, multi-coin app or an iOS version, who will be happier with a wallet like BlueWallet or a multichain option.